发明授权
- 专利标题: Methods and apparatus to maintain call continuity
- 专利标题(中): 保持呼叫连续性的方法和设备
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申请号: US13212784申请日: 2011-08-18
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公开(公告)号: US08873449B2公开(公告)日: 2014-10-28
- 发明人: Stefano Faccin , Jan Hendrik Lucas Bakker , Chen Ho Chin , Richard Charles Burbidge
- 申请人: Stefano Faccin , Jan Hendrik Lucas Bakker , Chen Ho Chin , Richard Charles Burbidge
- 申请人地址: CA Waterloo
- 专利权人: BlackBerry Limited
- 当前专利权人: BlackBerry Limited
- 当前专利权人地址: CA Waterloo
- 代理机构: Hanley, Flight & Zimmerman, LLC
- 主分类号: H04L12/66
- IPC分类号: H04L12/66 ; H04W24/08 ; H04W60/00 ; H04W60/06 ; H04W36/00
摘要:
Example methods and apparatus to maintain call continuity are disclosed. A disclosed example method to authorize a request with service information (SI), including detecting whether the SI pertains to an existing Internet Packet (IP) flow, when the SI pertains to an existing IP flow, detecting whether the existing IP flow includes circuit switched (CS) media, and when the existing IP flow includes CS media, determining a response to the request independent of a CS media indicator.
公开/授权文献
- US20120044868A1 METHODS AND APPARATUS TO MAINTAIN CALL CONTINUITY 公开/授权日:2012-02-23